Dev Review
FHIR/fhir-codegen
Performs a two-track code-quality and QA review in the roles of a staff-level Engineering Lead and QA Lead, then synthesizes both critiques into a single analysis.md.
CRAP score quality gate for code complexity and test coverage.
Install Code Quality Crap
$ npx skills add macalbert/envilder --skill code-quality-crap -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install macalbert/envilder code-quality-crap --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/macalbert/envilder.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.github/skills/code-quality-crap .claude/skills/code-quality-crap && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "code-quality-crap" agent skill from https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crap into .claude/skills/code-quality-crap/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-quality-crap", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crapType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add macalbert/envilder --skill code-quality-crap -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install macalbert/envilder code-quality-crap --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/macalbert/envilder.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.github/skills/code-quality-crap .agents/skills/code-quality-crap && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "code-quality-crap" agent skill from https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crap into .agents/skills/code-quality-crap/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-quality-crap", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add macalbert/envilder --skill code-quality-crap -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install macalbert/envilder code-quality-crap --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/macalbert/envilder.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.github/skills/code-quality-crap .cursor/skills/code-quality-crap && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "code-quality-crap" agent skill from https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crap into .cursor/skills/code-quality-crap/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-quality-crap", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/macalbert/envilder.git --path .github/skills/code-quality-crap--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add macalbert/envilder --skill code-quality-crap -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install macalbert/envilder code-quality-crap --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/macalbert/envilder.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.github/skills/code-quality-crap .gemini/skills/code-quality-crap && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "code-quality-crap" agent skill from https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crap into .gemini/skills/code-quality-crap/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-quality-crap", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install macalbert/envilder code-quality-crapInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add macalbert/envilder --skill code-quality-crap -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/macalbert/envilder.git skills-src && mkdir -p .github/skills && cp -r skills-src/.github/skills/code-quality-crap .github/skills/code-quality-crap && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "code-quality-crap" agent skill from https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crap into .github/skills/code-quality-crap/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-quality-crap", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add macalbert/envilder --skill code-quality-crap -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install macalbert/envilder code-quality-crap --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/macalbert/envilder.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.github/skills/code-quality-crap .opencode/skills/code-quality-crap && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "code-quality-crap" agent skill from https://github.com/macalbert/envilder/tree/main/.github/skills/code-quality-crap into .opencode/skills/code-quality-crap/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-quality-crap", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
code-quality-crap- GitHub stars
- 138
- Token cost
- ~468 tokens
- SKILL.md length
- 198 words
- Files
- 1
- Skills in repo
- 30
- Repo updated
- First seen
- Licence
- MIT
At a glance
CRAP score quality gate for code complexity and test coverage.
- Reviewing methods for complexity risk
- SKILL.md covers When to Use, Formula, Quality Gate and Coverage Thresholds, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Deciding whether to split methods
What it does
Code Quality Crap is an agent skill from macalbert/envilder. CRAP score quality gate for code complexity and test coverage. Use when reviewing methods for complexity risk, deciding whether to split methods, or interpreting complexity and coverage risk without manufacturing tests.
Its SKILL.md is about 470 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Testing & QA, covering Code quality, Quality gates and Test coverage. The repository describes itself as: One secret mapping for local dev, CI/CD, and runtime. Envilder resolves cloud secrets from your own vaults without SaaS middlemen, duplicated config, or .env drift. The licence is MIT.
When your agent uses it
- Reviewing methods for complexity risk
- Deciding whether to split methods
- Interpreting complexity and coverage risk without manufacturing tests
Example prompts
- “/code-quality-crap”
What it can do on your machine
Read from SKILL.md and the folder at commit b6a0327. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Code Quality Crap loads about 468 tokens when it runs. Until then it costs about 59 tokens; SKILL.md has 198 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from macalbert/envilder at commit b6a0327, republished under its MIT licence (© macalbert). 198 words, ~468 tokens.
Download SKILL.mdSave it as
.claude/skills/code-quality-crap/SKILL.md (or your agent's skills folder).- name
- code-quality-crap
- description
- CRAP score quality gate for code complexity and test coverage. Use when reviewing methods for complexity risk, deciding whether to split methods, or interpreting complexity and coverage risk without manufacturing tests.
Code Quality: CRAP Score
CRAP (Change Risk Anti-Patterns) measures the risk of a method based on cyclomatic complexity and test coverage.
When to Use
- Reviewing new or changed methods for complexity risk
- Deciding whether a method needs splitting
- Interpreting coverage risk for a given complexity
- During
PURE_REFACTORimplementation or candidate review
Formula
$$\text{CRAP}(m) = \text{comp}(m)^2 \times (1 - \text{cov}(m))^3 + \text{comp}(m)$$
Where:
- $\text{comp}(m)$ = cyclomatic complexity of method $m$
- $\text{cov}(m)$ = test coverage ratio (0 to 1) of method $m$
Quality Gate
Every method MUST have a CRAP score below 6.
Coverage Thresholds
These thresholds are intentionally stricter than the mathematical minimum, providing a safety margin:
| Complexity | Recommended coverage for CRAP < 6 |
|---|---|
| 1 | 0% (any) |
| 2 | > 0% |
| 3 | 40%+ |
| 4 | 60%+ |
| 5 | 80%+ |
| 6+ | Not achievable: must split to reduce complexity |
Actions by Scenario
| Scenario | Action |
|---|---|
| CRAP >= 6 due to high complexity | Extract complex branches into smaller methods |
| CRAP >= 6 due to low coverage | First reduce complexity; if important behavior lacks evidence, route a separate verification contract rather than adding coverage-only tests |
| Complexity 6+ regardless of coverage | Must split: CRAP floor equals complexity |
Severity Classification
- Medium: complexity 4–5 without proportional test coverage
- High: complexity 6+ (must split, no amount of testing fixes it)
© macalbert, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in .github/skills/code-quality-crap of macalbert/envilder.
Open the folder on GitHubat commit b6a0327
Compare with similar skills
Code Quality Crap next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Code Quality Crap this skillmacalbert/envilder | 138 | — | ~468 | Automated safety check: Pass | MIT | |
| Dev ReviewFHIR/fhir-codegen | 154 | — | ~5k | Automated safety check: Pass | MIT | |
| Quality CImanagedcode/dotnet-skills | 486 | — | ~2.1k | Automated safety check: Pass | MIT | |
| Constraint-Driven Developmentaddyosmani/agent-skills | 102k | 2 repos | ~5.2k | Automated safety check: Pass | MIT | |
| Supercovsupercorp-ai/supercov | 148 | 1 repos | ~415 | Automated safety check: Pass | MIT | |
| Coverage Analysis for .NETdotnet/skills | 5.6k | 1 repos | ~2.8k | Automated safety check: Pass | MIT |
Similar skills
Quality CI
managedcode/dotnet-skills
Set up or refine open-source .NET code-quality gates for CI: formatting, .editorconfig, SDK analyzers, third-party analyzers, coverage, mutation testing, architecture tests, and security scanning.
Constraint-Driven Development
addyosmani/agent-skills
Records a project's quality bar in CONSTRAINTS.md and watches diffs for signs an agent quietly weakened it, such as suppressions, skipped tests or lowered thresholds.
Supercov
supercorp-ai/supercov
Measures test coverage and code quality in a repository with the supercov CLI, and turns what it finds into small, focused tests or fixes.
- Official
Coverage Analysis for .NET
dotnet/skills
Interprets .NET coverage reports to explain line and branch gaps, target arithmetic and, on request, CRAP-based risk hotspots, without rerunning tests.
Audit Code
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Self-review checklist for the coding agent to run before dispatching a reviewer.
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Related
Categories
Questions about Code Quality Crap
What does Code Quality Crap do?
CRAP score quality gate for code complexity and test coverage. Code Quality Crap is an agent skill from macalbert/envilder. CRAP score quality gate for code complexity and test coverage.
When should I use Code Quality Crap?
Code Quality Crap fits situations like: reviewing methods for complexity risk; deciding whether to split methods; interpreting complexity and coverage risk without manufacturing tests.
How do I install Code Quality Crap in Claude Code?
Run `npx skills add macalbert/envilder --skill code-quality-crap -a claude-code`. Or copy the skill folder (.github/skills/code-quality-crap in macalbert/envilder) into .claude/skills/code-quality-crap in your project. Claude Code loads it when a task matches its description.
How do I install Code Quality Crap in Codex?
Run `npx skills add macalbert/envilder --skill code-quality-crap -a codex`. Or copy the skill folder (.github/skills/code-quality-crap in macalbert/envilder) into .agents/skills/code-quality-crap in your project. Codex loads it when a task matches its description.
Can I use Code Quality Crap in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add macalbert/envilder --skill code-quality-crap -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/code-quality-crap, .gemini/skills/code-quality-crap, .github/skills/code-quality-crap and .opencode/skills/code-quality-crap in your project.
What does Code Quality Crap need to run?
SKILL.md names no scripts, command-line tools or credentials: Code Quality Crap is instructions for the agent only.
Does Code Quality Crap access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Code Quality Crap safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Code Quality Crap use?
Code Quality Crap is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Code Quality Crap use?
About 468 tokens (SKILL.md is roughly 1.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Code Quality Crap?
Skills that share tags, products or a category with Code Quality Crap: Dev Review (FHIR/fhir-codegen, 154 stars), Quality CI (managedcode/dotnet-skills, 486 stars), Constraint-Driven Development (addyosmani/agent-skills, 102k stars) and Supercov (supercorp-ai/supercov, 148 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Code Quality Crap?
macalbert (a GitHub user) maintains it in macalbert/envilder, which has 138 GitHub stars. The repository holds 30 skills in this directory. The repository was last updated on October 5, 2026.
Source: macalbert/envilder on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.